870978276 has 72 divisors (see below), whose sum is σ = 2520982464. Its totient is φ = 248374080.

The previous prime is 870978217. The next prime is 870978281. The reversal of 870978276 is 672879078.

870978276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140866 + ... + 146918.

Almost surely, 2^870978276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 870978276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260491232).

870978276 is an abundant number, since it is smaller than the sum of its proper divisors (1650004188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

870978276 is a wasteful number, since it uses less digits than its factorization.

870978276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6641 (or 6636 counting only the distinct ones).

The product of its (nonzero) digits is 2370816, while the sum is 54.

The square root of 870978276 is about 29512.3410796229. The cubic root of 870978276 is about 954.9979536336.

The spelling of 870978276 in words is "eight hundred seventy million, nine hundred seventy-eight thousand, two hundred seventy-six".